A new laboratory system for the measurement of low frequency seismic attenuation

Abstract : The study of wave attenuation in partially saturated porous rocks over a broad frequency range provides valuable information about the fluid system of reservoirs, which are inherently multiple phase fluid system. Until now, not much laboratory data have been collected in the seismically relevant low frequency range and existing literature data on partially saturated rock are very limited. The main goal of our work is to experimentally measure the bulk seismic attenuation on fluid-bearing rocks, using natural rock samples in an efficient way at in situ conditions. We are currently fine-tuning our attenuation measurement prototype. Preliminary bench-top results are promising and show consistency with reported experimental data with dry, partially and fully fluid saturated rocks. Measurements with the machine are accurate and precise.
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Submitted on : Thursday, February 10, 2011 - 11:58:18 AM
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Claudio Madonna, Nicola Tisato, Sebastien Boutareaud, David Mainprice. A new laboratory system for the measurement of low frequency seismic attenuation. SEG Technical Program Expanded Abstracts, Society of Exploration Geophysicists, 2010, 29, pp.2675. ⟨10.1190/1.3513397⟩. ⟨hal-00564863⟩



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